// company-profile

Anaptysbio, Inc

ANAB
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings115Insiders16
// api This Anaptysbio, Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 6 insiders purchased shares. Buying was led by Orwin John A.

// 90-day insight

Over the last 90 days, Anaptysbio, Inc insiders bought $0 (31 transactions) and sold $0 (19 transactions).

  • Most active insider: Schmid John P. with 18 transactions totaling $0.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Anaptysbio, Inc as of 2026-03-31

↑ increasing
Total reported AUM
$1.50B
QoQ change
+10.2%
Reporting period
2026-03-31
#1
EcoR1 Capital, LLC
CIK 1587114
$437.0M
7.9M shares
#2
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
$73.8M
1.3M shares
#3
STATE STREET CORP
CIK 93751
$55.0M
992K shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 15, 2026Orwin John AANAB
Option Exercise
6,030$0.00$0K
Jun 15, 2026Schmid John P.ANAB
Option Exercise
6,030$0.00$0K
Jun 15, 2026Schmid John P.ANAB
Option Exercise
6,030$0.00$0K
Jun 15, 2026RENTON HOLLINGSANAB
Option Exercise
6,030$0.00$0K
Jun 15, 2026RENTON HOLLINGSANAB
Option Exercise
6,030$0.00$0K

45 more transactions hidden

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